Collaboration diagram for STM32469I Discovery LOW LEVEL Private Functions:

Functions
static void	I2C1_Error (uint8_t Addr)
	Manages error callback by re-initializing I2C. More...

static HAL_StatusTypeDef	I2C1_IsDeviceReady (uint16_t DevAddress, uint32_t Trials)
	Checks if target device is ready for communication. More...

static uint8_t	I2C1_Read (uint8_t Addr, uint8_t Reg)
	Reads a single data. More...

static HAL_StatusTypeDef	I2C1_ReadMultiple (uint8_t Addr, uint16_t Reg, uint16_t MemAddress, uint8_t *Buffer, uint16_t Length)
	Reads multiple data. More...

static void	I2C1_Write (uint8_t Addr, uint8_t Reg, uint8_t Value)
	Writes a single data. More...

static HAL_StatusTypeDef	I2C1_WriteMultiple (uint8_t Addr, uint16_t Reg, uint16_t MemAddress, uint8_t *Buffer, uint16_t Length)
	Writes a value in a register of the device through BUS in using DMA mode. More...

Detailed Description

Function Documentation

◆ I2C1_Error()

static void I2C1_Error ( uint8_t Addr )

static

Manages error callback by re-initializing I2C.

Parameters

Addr	I2C Address

Definition at line 709 of file stm32469i_discovery.c.

◆ I2C1_IsDeviceReady()

static HAL_StatusTypeDef I2C1_IsDeviceReady	(	uint16_t	DevAddress,
		uint32_t	Trials
	)

static

Checks if target device is ready for communication.

Note: This function is used with Memory devices

Parameters

DevAddress	Target device address
Trials	Number of trials

Return values

HAL status

Definition at line 700 of file stm32469i_discovery.c.

◆ I2C1_Read()

static uint8_t I2C1_Read	(	uint8_t	Addr,
		uint8_t	Reg
	)

static

Reads a single data.

Parameters

Addr	I2C address
Reg	Register address

Return values

Read data

Definition at line 553 of file stm32469i_discovery.c.

◆ I2C1_ReadMultiple()

static HAL_StatusTypeDef I2C1_ReadMultiple	(	uint8_t	Addr,
		uint16_t	Reg,
		uint16_t	MemAddress,
		uint8_t *	Buffer,
		uint16_t	Length
	)

static

Reads multiple data.

Parameters

Addr	I2C address
Reg	Reg address
MemAddress	memory address
Buffer	Pointer to data buffer
Length	Length of the data

Return values

HAL status

Definition at line 584 of file stm32469i_discovery.c.

◆ I2C1_Write()

static void I2C1_Write	(	uint8_t	Addr,
		uint8_t	Reg,
		uint8_t	Value
	)

static

Writes a single data.

Parameters

Addr	I2C address
Reg	Register address
Value	Data to be written

Definition at line 527 of file stm32469i_discovery.c.

◆ I2C1_WriteMultiple()

static HAL_StatusTypeDef I2C1_WriteMultiple	(	uint8_t	Addr,
		uint16_t	Reg,
		uint16_t	MemAddress,
		uint8_t *	Buffer,
		uint16_t	Length
	)

static

Writes a value in a register of the device through BUS in using DMA mode.

Parameters

Addr	Device address on BUS Bus.
Reg	The target register address to write
MemAddress	memory address
Buffer	The target register value to be written
Length	buffer size to be written

Return values

HAL status

Definition at line 643 of file stm32469i_discovery.c.